The following is a performance-capsule review of the 2010 Audi S5. The 2010 Audi S5 impressed auto critics with its sporty yet comfortable nature. The "2010 Audi S5" is a performance-tuned variant of the 2010 Audi A5 -- which earns praise for its elegant exterior design and comfortable cabin, but suffers when compared to luxury sports cars because of its less-than-stellar performance